.eslintrc.js

module.exports = {
  env: {
    browser: true,
    node: true,
    es2021: true,
  },
  extends: ["eslint:recommended", "plugin:react/recommended"],
  parser: "@typescript-eslint/parser",
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 12,
    sourceType: "module",
  },
  plugins: ["react", "@typescript-eslint", "prettier"],
  ignorePatterns: ["node_modules/**/*", "output/**/*"],
  rules: {
    // https://github.com/typescript-eslint/typescript-eslint/blob/master/docs/getting-started/linting/FAQ.md#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
    "no-undef": "off",
    "no-unused-vars": "off",
    "prettier/prettier": "error",
    "@typescript-eslint/no-unused-vars": [
      "error",
      {
        ignoreRestSiblings: true,
        args: "after-used",
        varsIgnorePattern: "^_.",
      },
    ],
    "react/display-name": "off",
    "react/prop-types": "off",
  },
};